Evidence row 2172561

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wWZ7sL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fec78fa8-e2ee-4146-91ed-449ce9636314/.well-known/agent-card.json"
    ]
  ],
  "name": "Tafa",
  "owner_address": "0xe4b896877d50e70949821e8b4bff412b836f9698",
  "raw": {
    "agent_id": "111774",
    "agent_uri": "https://centralcity.ai/a/wWZ7sL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tafa is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/wWZ7sL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tafa",
      "registrations": [
        {
          "agentId": 111774,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fec78fa8-e2ee-4146-91ed-449ce9636314/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wWZ7sL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793636745,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:30:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tafa is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/wWZ7sL"
}

What the leaf hashes

{"body":"f165aabd7a81e6aa43d172fa06860ee95b2ea21534735dc2dab8c4a012313dd7","id":2172561,"kind":"listing","method":"sync.erc8004/1","observed_us":1793637042341022,"prev":2172142,"subject":"erc8004:5042:111774","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xe86995f2e4096b96b19545acd9dc4e4e7825b3660d9f0b1f568919b68d403528
2. 0x0f1c737431674a3a497946c8ad4ff94135e5fa13162f7da99bcea450214095d6
3. 0x524bef2ba441f804f6ba49dbc00d2ad767d9c0fb18943cc092e47c0abc9c6a3c
4. 0xd9fb76c9f920854e01479722643c60f5470ba5c5e456dcbab88bc3597b807b34
5. 0x06a8664b725f1c28b4c9a12f0270df2524caea551cda654926e2aec03e1ac1fb
6. 0x3d96343858a73a57f1a12946d2c12aef7263a3c096f43135b5157d9737c5a461
7. 0x04299be876fd65f06b5d831b16b0b8ee350e8dace3a08e984497a3fe4d7a9e39
8. 0x7fa55ffa84b85097cf7a7790a514f57c39d4e767df7ac38f16dd61199686773b
9. 0xd6a021cfe3b4b58d17a237d29bcea9fa446e33995e39fb4cf85bc4ddb9620c91
10. 0x437567aa921d2e89de7dc27cdffc75b326ac8bd961ac2e181d12269dfea6abc8
11. 0x757187090e0c8a564711a3abb9bcd4b45271fdcc5fb98fd91d2b42238ea911b8
12. 0x3c7341656db31bffc7d2eacb59896b1fbf8e7f1b9619769235c75a51adb0b1be
13. 0x0418958fa118b0a6a70d8e336a1073213853f5a3502b9ffc66202cc82d3dd472
14. 0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af